import pickle
import pprint

# pickle序列化Serializable

# 使用pickle模块将数据对象保存到文件
def saveObj2PklFile():
    data1 = {'a': [1, 2.0, 3, 4+6j],
             'b': ('string', u'Unicode string'),
             'c': None}
    selfref_list = [1, 2, 3]
    selfref_list.append(selfref_list)
    output = open('D://data.pkl', 'wb')
    # Pickle dictionary using protocol 0.
    pickle.dump(data1, output)
    # Pickle the list using the highest protocol available.
    pickle.dump(selfref_list, output, -1)
    output.close()


# 使用pickle模块从文件中重构python对象
def loadPklFile2Obj():
    pkl_file = open('D://data.pkl', 'rb')
    data1 = pickle.load(pkl_file)
    pprint.pprint(data1)
    data2 = pickle.load(pkl_file)
    pprint.pprint(data2)
    pkl_file.close()


loadPklFile2Obj()

